#include<stdio.h>
#include<math.h>
int main()
{//lekai
    int i,j,n=13;
    printf("N=");
    while (n > 12)
        scanf("%d", &n);
    for (i = 0; i <= n; i++)
    {
        for (j = 0; j < 12 - i; j++)
            printf(" ");
        for (j = 1; j < i + 2; j++)
            printf("%6d", c(i, j));
        printf("\n");
    }
}
int c(x, y)
int x, y;
{
    int z;
    if ((y == 1) || (y == x + 1))
        return (1);
    z = c(x - 1, y - 1) + c(x - 1, y);
    return (z);
}